OdePdeConvergenceTester.hpp

00001 /*
00002 
00003 Copyright (C) University of Oxford, 2005-2010
00004 
00005 University of Oxford means the Chancellor, Masters and Scholars of the
00006 University of Oxford, having an administrative office at Wellington
00007 Square, Oxford OX1 2JD, UK.
00008 
00009 This file is part of Chaste.
00010 
00011 Chaste is free software: you can redistribute it and/or modify it
00012 under the terms of the GNU Lesser General Public License as published
00013 by the Free Software Foundation, either version 2.1 of the License, or
00014 (at your option) any later version.
00015 
00016 Chaste is distributed in the hope that it will be useful, but WITHOUT
00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00019 License for more details. The offer of Chaste under the terms of the
00020 License is subject to the License being interpreted in accordance with
00021 English Law and subject to any action against the University of Oxford
00022 being under the jurisdiction of the English Courts.
00023 
00024 You should have received a copy of the GNU Lesser General Public License
00025 along with Chaste. If not, see <http://www.gnu.org/licenses/>.
00026 
00027 */
00028 
00029 
00030 #ifndef ODEPDECONVERGENCETESTER_HPP_
00031 #define ODEPDECONVERGENCETESTER_HPP_
00032 
00033 #include "AbstractConvergenceTester.hpp"
00037 template<class CELL, class CARDIAC_PROBLEM, unsigned DIM, unsigned PROBLEM_DIM>
00038 class OdePdeConvergenceTester : public AbstractConvergenceTester<CELL, CARDIAC_PROBLEM, DIM, PROBLEM_DIM>
00039 {
00040 public:
00044     void SetInitialConvergenceParameters()
00045     {
00046         this->OdeTimeStep = 1e-2;
00047         this->PdeTimeStep = this->OdeTimeStep;
00048     }
00049     /*
00050      * Each new run has the #PdeTimeStep and #OdeTimeStep halved.
00051      * (There is always one ODE step per PDE step.)
00052      */
00053     void UpdateConvergenceParameters()
00054     {
00055         this->OdeTimeStep *= 0.5;
00056         this->PdeTimeStep = this->OdeTimeStep;
00057     }
00061     bool GiveUpConvergence()
00062     {
00063         assert( this->PdeTimeStep == this->OdeTimeStep);
00064 
00065         return this->OdeTimeStep<=1e-5;
00066     }
00067 
00071     double Abscissa()
00072     {
00073         return this->OdeTimeStep;
00074     }
00075 
00076 };
00077 #endif /*ODECONVERGENCETESTER_HPP_*/

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